1359680 has 56 divisors (see below), whose sum is σ = 3706368. Its totient is φ = 465408.

The previous prime is 1359679. The next prime is 1359689. The reversal of 1359680 is 869531.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1359689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1937 + ... + 2543.

2^1359680 is an apocalyptic number.

1359680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1359680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1853184).

1359680 is an abundant number, since it is smaller than the sum of its proper divisors (2346688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1359680 is an equidigital number, since it uses as much as digits as its factorization.

1359680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1359680 is about 1166.0531720295. The cubic root of 1359680 is about 110.7844747934.

It can be divided in two parts, 1359 and 680, that multiplied together give a triangular number (924120 = T₁₃₅₉).

The spelling of 1359680 in words is "one million, three hundred fifty-nine thousand, six hundred eighty".